30405153 has 4 divisors (see below), whose sum is σ = 40540208. Its totient is φ = 20270100.

The previous prime is 30405139. The next prime is 30405161. The reversal of 30405153 is 35150403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35150403 = 3 ⋅11716801.

It is not a de Polignac number, because 30405153 - 2⁸ = 30404897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30401153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067523 + ... + 5067528.

It is an arithmetic number, because the mean of its divisors is an integer number (10135052).

Almost surely, 2^30405153 is an apocalyptic number.

It is an amenable number.

30405153 is a deficient number, since it is larger than the sum of its proper divisors (10135055).

30405153 is a wasteful number, since it uses less digits than its factorization.

30405153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135054.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30405153 is about 5514.0867784249. The cubic root of 30405153 is about 312.1157833752.

Adding to 30405153 its reverse (35150403), we get a palindrome (65555556).

The spelling of 30405153 in words is "thirty million, four hundred five thousand, one hundred fifty-three".